Will Olsen is an angel investor and operator angel based in Menlo Park, California, United States. The known portfolio is one company, Granza Bio.
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Investment focus
- Sector
- Healthcare
Contacts
Will Olsen portfolio company (1)
- Granza Bio
Affiliated funds' portfolios
Venture Partner at Pioneer Fund, whose known portfolio counts 39 companies
- Milk Video
- Atmos
- Hubble
- Atlas
- Taiv
- Thoughtly
- Alien
- Fractile
- Depot
- Harper
- Bolna
- Ellipsis
- and 27 more
Investor Profile
Founders in the listed sector Healthcare, and focus areas Biotech, Consumer Health and Digital Health will recognize the pattern in this portfolio.
Will Olsen is listed for Pre-Seed and Seed rounds in the database.
Reviewing the investment history helps decide whether there is a realistic fit before reaching out.
Colleagues at Pioneer Fund
Showing 20 of 90
Josue Gio
Venture Partner
Mexico City
Dave Messina
General Partner
San Diego, United States
Ti Zhao
Senior Venture Partner
San Francisco, United States
Ian Burgess
Venture Partner
Toronto, Canada
Deepanshu M.
Venture Partner
New York, United States
Nicholas Goldner
Venture Partner
San Francisco, United States
Sherwin Gandhi
Venture Partner
Austin, United States
Steve Johnston
Venture Partner
Austin, United States
Michael Heinrich
Venture Partner + Angel Investor
Singapore
Afraj Gill
Limited Partner
San Francisco, United States
Steli Efti
Senior Venture Partner
Austin, United States
Justin Olshavsky
General Partner
United States
Chris Williams
Venture Partner
Boise, United States
Aymeric Rabot
Venture Partner
Tampa, United States
Julien Brissonneau
Venture Partner
Mountain View, United States
Jonathan Tang
Investment Partner/LPAC Member
San Mateo, United States
Rebecca Todd
Investment Advisory Panel Member
Oxford, United Kingdom
Newsha Ghaeli
Venture Partner
Washington, United States
Nimit Mehra
Venture Partner
United States
Jaclyn Ling
Venture Partner
New York, United States
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Frequently asked questions
Who is Will Olsen?
Will Olsen is an angel investor and operator angel based in Menlo Park, California, United States with one known investment on file, Granza Bio. The sections above list the sectors, stages and firms attached to that record.
What does Will Olsen invest in?
Listed sectors include Healthcare; listed focus areas include Biotech, Consumer Health and Digital Health. Those tags come from the companies attached to this profile, so they read as a record of what has been backed rather than a stated preference for what comes next.
What stage does Will Olsen invest at?
The database lists Will Olsen for Pre-Seed and Seed rounds. Stage is the strongest single filter when you build a target list: an investor with no record at your stage rarely starts with you.
Which firm is Will Olsen listed at?
Will Olsen is listed as Venture Partner at Pioneer Fund. 90 other people in the database share a firm with Will Olsen.
How do I contact Will Olsen?
A LinkedIn page is on file for Will Olsen. It is readable inside RaiseHunt after you create an account. The database holds no email address and no phone number for this profile.
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Data: RaiseHunt investor dataset · Snapshot 6 September 2026 · How this data is built · Report a correction or request removal